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教授

博士生导师

硕士生导师

任职 : 精密与特种加工教育部重点实验室 副主任; 中国光整加工专业委员会 主任委员; 中国生产工程学会 常务理事; 中国国际磨粒加工技术学会(ICAT)常务理事

性别:男

毕业院校:东北工学院

学位:博士

所在单位:机械工程学院

学科:机械制造及其自动化

办公地点:机械工程学院知方楼7185室

联系方式:0411-84706138 gaohang@dlut.edu.cn

电子邮箱:gaohang@dlut.edu.cn

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Study on a Cracked Single-Layer 2D Woven Composite Plate: Fracture Mode and Damage Analysis

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论文类型:期刊论文

发表时间:2018-09-01

发表刊物:STRENGTH OF MATERIALS

收录刊物:SCIE

卷号:50

期号:5

页面范围:800-806

ISSN号:0039-2316

关键字:woven carbon fibers; crack propagation; fracture mode; damage; stress intensity factor

摘要:An experimental study and numerical calculation are conducted to investigate the crack propagation in a 2D woven composite. Crack propagation tests of single-layer composite plate specimens permit this process to be directly followed. Analysis of their fracture surfaces reveals crack propagation paths, fracture mode, and damage mechanisms. The load-deflection curve represents the crack propagation as a three-stage process. The stress intensity near the crack tip is evaluated with the critical stress intensity factor numerically calculated. The results demonstrate a good agreement between the calculations and experiment.